Home / 38,431.25-57,642.53-10,353.33

Finding the Fourth Proportional to 38,431.25, 57,642.53 and 10,353.33

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Solution

The fourth proportional to 38,431.25, 57,642.53 and 10,353.33 is: 15,528.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431.25 : 57,642.53 = 10,353.33 : x
  2. Step 2: Convert to fraction form
    38,431.25/57,642.53 = 10,353.33/x
  3. Step 3: Cross multiply
    38,431.25x = 57,642.53 × 10,353.33
  4. Step 4: Simplify right side
    38,431.25x = 596,792,083.36
  5. Step 5: Solve for x
    x = 596,792,083.36/38,431.25
  6. Step 6: Final answer
    x = 15,528.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.